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ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — ZIP/78220

78220

ZIP 78220 is in San Antonio, Texas, in Bexar County; area codes 210 and 726; Central time. San Antonio has 83 ZIP codes in all.

Type
Standard
Time zone
America/Chicago
County
Bexar
Population
19,423
Coordinates
29.4124, -98.3984
☼ Live from 78220 — San Antonio, TX

Weather right now

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Local time: —

Where 78220 is

Approximate ZIP boundary (Census ZCTA 2020). ZIP codes are mail routes, not areas, so the shape shown is the Census tabulation area that approximates it.

★ Weird and wonderful facts about 78220
  • 🔢 Type 78220 into a pocket calculator and turn it upside down: OZZBL — not quite a word, sorry.
  • ➕ As a number, 78,220 = 2 × 2 × 5 × 3911. Its digits add up to 19, a total 2,454 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10011000110001100
  • 🏠 Its numerical neighbours: 78219 (San Antonio, TX, 2 mi away) and 78221 (San Antonio, TX, 9 mi away).
  • 🔄 Backwards, 78220 becomes 02287, which is not a ZIP code at all.
  • 👥 30 other ZIP codes are made of exactly the same digits (02827, 02872, 07822, 08722, 20782, 20827, …). The farthest-flung twin is 02872 in Prudence Island, RI, 1,730 miles away.
  • 🧭 Farther south than 95% of all ZIP codes, and farther west than 78%.
  • 🎯720 miles south of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 78220 and you would come out at 29.41°S, 81.60°E — 1,502 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 02m of daylight. Shortest: 10h 15m.
  • 📏 At 7.7 square miles of land, 78220 is bigger than 24% of ZIP codes — room for about 5.9 Central Parks.
🌙 The sky over 78220 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population19,423This ZIP19,423
Households6,626This ZIP6,626
Housing units7,376This ZIP7,376
Median age33.8This ZIP33.8Texas35.6US 38.9
Median household income$41,710This ZIP$41,710Texas$78,476US $80,734
Median home value$143,700This ZIP$143,700Texas$283,800US $332,700
Median gross rent$1,156This ZIP$1,156Texas$1,403US $1,413
Bachelor's degree or higher9.5%This ZIP9.5%
Mean commute29.2 minThis ZIP29.2 min
Population density2,515.6 / sq miThis ZIP2,515.6 / sq mi

Business and tax activity

Business establishments241This ZIP241
Employees5,655This ZIP5,655
Annual payroll$261,336,000This ZIP$261,336,000
Tax returns filed8,750This ZIP8,750
Total adjusted gross income$334,951,000This ZIP$334,951,000

Land area

Land area7.72 sq miThis ZIP7.72 sq mi
Water area0.02 sq miThis ZIP0.02 sq mi

Other place names in 78220

Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.

ZIP codes near 78220

ZIPCityDistance
78219 San Antonio, TX 2.1 mi
78203 San Antonio, TX 3.7 mi
78202 San Antonio, TX 3.9 mi
78222 San Antonio, TX 4.0 mi
78208 San Antonio, TX 4.1 mi
78234 Jbsa Ft Sam Houston, TX 4.1 mi
78210 San Antonio, TX 4.1 mi
78206 San Antonio, TX 4.2 mi
78241 San Antonio, TX 4.2 mi
78246 San Antonio, TX 4.2 mi

Find every ZIP code within 10 miles of 78220 →

Questions about this ZIP code

Where is ZIP code 78220?

78220 is in San Antonio, Texas, in Bexar County, part of the San Antonio-New Braunfels, TX metropolitan area. Its published point location is 29.4124, -98.3984.

What county is 78220 in?

78220 lies in Bexar County.

What area code is 78220?

San Antonio uses area codes 210 and 726, from NANPA's telephone records.

What time zone is 78220 in?

78220 uses America/Chicago.

How many people live in 78220?

About 19,423 people live in ZIP code 78220, in 6,626 households, at 2,515.6 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.

What is the median household income in 78220?

$41,710 a year, against $78,476 across Texas.

What ZIP codes are near 78220?

The closest are 78219 (2.1 mi), 78203 (3.7 mi), 78202 (3.9 mi), 78222 (4 mi) and 78208 (4.1 mi).

Is 78220 a PO Box ZIP code?

78220 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “78220 ZIP Code — San Antonio, Texas (Bexar County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/78220

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